package thread;

public class ThreadDemo21 {

    public static void main(String[] args) {
        Thread t1=new Thread(()->{
            System.out.println("t1线程");
        });
        Thread t2=new Thread(()->{
            System.out.println("t2线程");
        });
        t1.start();
        t2.start();

        System.out.println("主线程");
    }
}
